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27915 Nancywright (1996 UU1)
Classification: Main-belt Asteroid          SPK-ID: 2027915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471573867772212 3.5737e-08  
a 3.16316340127561 1.7936e-08 au
q 2.697680541194545 1.1715e-07 au
i 4.96230285747911 4.5923e-06 deg
node 10.39302454116832 4.6887e-05 deg
peri 88.87485022622047 5.006e-05 deg
M 3.531833653925556 1.5749e-05 deg
tp 2458980.340553344419
(2020-May-10.84055334)
8.9885e-05 TDB
period 2054.85351438985
5.63
1.7477e-05
4.785e-08
d
yr
n .1751949700934742 1.4901e-09 deg/d
Q 3.628646261356676 2.0575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1634  
   data-arc span      8758 days (23.98 yr)  
   first obs. used      1996-10-30  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:31  

Additional Information
 Earth MOID = 1.72035 au 
 Jupiter MOID = 1.56009 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456647.5 (2013-Dec-21.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456958519931565 3.6197e-08  
q 2.70122094112979 1.1863e-07 au
tp 2456932.974438643363
(2014-Oct-02.47443864)
9.085e-05 TDB
node 10.47699608604533 4.6944e-05 deg
peri 90.04207360187635 5.012e-05 deg
i 4.960490419886329 4.5883e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1634  
   data-arc span      8758 days (23.98 yr)  
   first obs. used      1996-10-30  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:20:31  

Additional Information
 Jupiter MOID = 1.56009 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.310189566065758E-15 -4.258966549459193E-15 2.743835814291866E-13 -9.387768782884729E-17 6.134034543639962E-14 -1.242639239541247E-15
q -4.258966549459193E-15 1.407265682869789E-14 -1.108644244987525E-12 8.482065635738658E-16 -2.486829829700161E-13 4.461699931375668E-15
tp 2.743835814291866E-13 -1.108644244987525E-12 8.253715326742505E-9 -8.842216001967803E-12 1.613022026393421E-9 -4.946791915794414E-13
node -9.387768782884729E-17 8.482065635738658E-16 -8.842216001967803E-12 2.20375437697725E-9 -2.197018359957085E-9 -9.810782963922037E-12
peri 6.134034543639962E-14 -2.486829829700161E-13 1.613022026393421E-9 -2.197018359957085E-9 2.511979364456951E-9 9.634990062534431E-12
i -1.242639239541247E-15 4.461699931375668E-15 -4.946791915794414E-13 -9.810782963922037E-12 9.634990062534431E-12 2.105290457188341E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO452561  
rotation period rot_per 5.459 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27915 Nancywright           Discovered 1996 Oct. 30 by P. G. Comba at Prescott.
Nancy Wright of Prescott, Arizona, is a very dear and loyal friend of the discoverer and his late wife. Wright is interested in the history and culture of the American West, in particular the Native American lore of the constellations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

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